#define SUR_ID		6		//Change the gas macro below!
#define ABS_SURFACE 1

#if (!ABS_SURFACE)
//#define _GAS_SPHERE_ 1			//SUR_ID	0
//#define _GAS_TANGLE_ 1			//SUR_ID	1
//#define _GAS_MCMULLENK3_ 1		//SUR_ID	2
//#define _GAS_SCHWARTZ_ 1			//SUR_ID	3
//#define  _GAS_TRICYLINDER_ 1		//SUR_ID	4
//#define  _GAS_BLOBSCHWARTZ_ 1		//SUR_ID	5
//#define  _GAS_DOUBLETORUS_ 1		//SUR_ID	6
#define  _GAS_LemniscateOfGerono_ 1	//SUR_ID	7
#endif

#define SurfaceID		(ABS_SURFACE*10+SUR_ID)

